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BITSAT 2018 Paper

Section: Mathematics
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Question : 118 of 150
 
Marks: +1, -0
If
^
i
+
^
j
 ,
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j
+
^
k
 ,
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i
+
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k
 are the position vectors of the vertices of a triangle ABC taken in order, then ∠A is equal to
Validate
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